New tuner need help
#1
New tuner need help
I have 05 Yukon XL 5.3 and i need to tune street no dyno.
Stock, no cats.
See attached file
I don't know any think about tuning, only disable DTC & disable speed limiter.
Thanks
Stock, no cats.
See attached file
I don't know any think about tuning, only disable DTC & disable speed limiter.
Thanks